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20251041412537 = 1359123229214259
BaseRepresentation
bin1001001101011000100000…
…01000010011010110111001
32122200222110220011121012201
410212230100020103112321
510123243113100200122
6111023111110510201
74160042453562535
oct446542010232671
978628426147181
1020251041412537
1164a8466a2aa01
122330954965361
13b3b88504c560
145002270babc5
15251b99311a27
hex126b102135b9

20251041412537 has 16 divisors (see below), whose sum is σ = 22178738232000. Its totient is φ = 18376199037504.

The previous prime is 20251041412487. The next prime is 20251041412559. The reversal of 20251041412537 is 73521414015202.

It is a cyclic number.

It is not a de Polignac number, because 20251041412537 - 223 = 20251033023929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20251041412496 and 20251041412505.

It is not an unprimeable number, because it can be changed into a prime (20251041412237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94409514 + ... + 94623772.

It is an arithmetic number, because the mean of its divisors is an integer number (1386171139500).

Almost surely, 220251041412537 is an apocalyptic number.

It is an amenable number.

20251041412537 is a deficient number, since it is larger than the sum of its proper divisors (1927696819463).

20251041412537 is a wasteful number, since it uses less digits than its factorization.

20251041412537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337560.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 20251041412537 its reverse (73521414015202), we get a palindrome (93772455427739).

The spelling of 20251041412537 in words is "twenty trillion, two hundred fifty-one billion, forty-one million, four hundred twelve thousand, five hundred thirty-seven".

Divisors: 1 13 59 767 123229 214259 1601977 2785367 7270511 12641281 94516643 164336653 26402922311 343237990043 1557772416349 20251041412537